Lakes / Wyoming / Big Horn County / Shell Reservoir
Shell Reservoir, Wyoming
85 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Wyoming
44.51 degrees N, 107.41 degrees W - Big Horn County. State and county outlines drawn from Census boundary data; the lake marker is placed by its Wyoming Game and Fish Department coordinates, not by eye. Schematic - not a survey map.
How Shell Reservoir Stacks Up
- Larger than 69% of the 783 lakes counted in Wyoming.
- About 81 miles from Cody, as the crow flies.
- 2 fish species on the WGFD list for this lake.
Fish Species
Species recorded for this lake. Presence only - no abundance ratings.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Adelaide Lake | Big Horn | 0.8 mi | 38 acres |
| Mud Lake | Big Horn | 1.5 mi | 3 acres |
| Lake Arden | Big Horn | 1.7 mi | 13 acres |
| Little Shell Lake | Big Horn | 3.9 mi | 4 acres |
| Shell Lake | Big Horn | 4.0 mi | 30 acres |
| Willett Lake | Big Horn | 4.9 mi | 5 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Shell Reservoir
How Big Is Shell Reservoir?
Shell Reservoir covers 85 acres in Big Horn County, Wyoming.
What Fish Are in Shell Reservoir?
The WGFD lists Brook Trout and Splake for Shell Reservoir.
What Is the Largest Lake in Big Horn County?
Bighorn Lake is the largest lake in Big Horn County, at 12,422.53 acres.
Deepest Natural Lakes in Wyoming
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Deep Lake | Park | 285 acres | 472 ft |
| 2 | Lake Reno | Park | 107 acres | 222 ft |
| 3 | Snowdrift Lake | Teton | 57 acres | 174 ft |
| 4 | Crater Lake | Big Horn | 39 acres | 166 ft |
| 5 | Beauty Lake | Park | 94 acres | 165 ft |
All 120 Wyoming lakes ranked by depth
Largest Lakes in Wyoming
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Yellowstone Lake | Teton | 84,442 acres | - |
| 2 | Flaming Gorge Reservoir | Sweetwater | 38,888.36 acres | 440 ft |
| 3 | Jackson Lake | Teton | 26,853.22 acres | - |
| 4 | Pathfinder Reservoir | Carbon | 22,000 acres | 192 ft |
| 5 | Seminoe Reservoir | Carbon | 20,000 acres | 200 ft |
All 783 Wyoming lakes ranked by surface area
Sources: Wyoming Game & Fish lake data (ID 82701926). Verified October 30, 2026.